/* ==== RESET SIMPLE ==== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f8f9fa;
  color: #333;
  line-height: 1.6;
  padding: 20px;
}

/* ==== CONTAINER ==== */
.container {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* ==== TITRE ==== */
.container h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #222;
}

/* ==== FORMULAIRE ==== */
form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

form label {
  font-weight: bold;
  margin-bottom: 5px;
}

form input,
form textarea {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  outline: none;
  font-size: 1rem;
  transition: 0.3s;
}

form input:focus,
form textarea:focus {
  border-color: #007bff;
  box-shadow: 0 0 6px rgba(0,123,255,0.3);
}

/* Champ textarea plus grand */
form textarea {
  min-height: 120px;
  resize: vertical;
}

/* ==== BOUTON ==== */
form button {
  background: #007bff;
  color: #fff;
  font-size: 1rem;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

form button:hover {
  background: #0056b3;
  transform: translateY(-2px);
}

/* ==== POP-UP MESSAGE ==== */
.popup-message {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #fff;
  padding: 15px 25px;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 1000;
  animation: fadeInOut 4s forwards;
}

/* Styles succès / erreur */
.popup-message.success {
  border-left: 6px solid #28a745;
  color: #155724;
  background-color: #d4edda;
}

.popup-message.error {
  border-left: 6px solid #dc3545;
  color: #721c24;
  background-color: #f8d7da;
}

/* Animation */
@keyframes fadeInOut {
  0%   { opacity: 0; transform: translateY(-20px); }
  10%  { opacity: 1; transform: translateY(0); }
  90%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(-20px); }
}